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www.classtopper.com<br />
AMAZE YOUR FRIENDS<br />
Use the formula ALL FROM 9 AND THE LAST<br />
FROM 10 to amaze your friends with instant subtractions.<br />
� For example 1000 - 357 = 643<br />
We simply take each figure in 357 from 9 and the<br />
last figure from 10:<br />
1 0 0 0 - 3 5 7<br />
8<br />
from 9 from 9 from 10<br />
= 6 4 3<br />
So the answer is 1000 - 357 = 643<br />
And that’s all there is to it!<br />
This always works for subtractions from numbers<br />
consisting of a 1 followed by noughts: 100; 1000;<br />
10,000 etc.
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